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EP 4 008 036 A1

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(43) Date of publication: 08.06.2022 Bulletin 2022/23 (21) Application number: 20750367.3 (22) Date of filing: 30.07.2020

(51) International Patent Classification (IPC):  H01M 8/1025(2016.01) H01M 8/1039(2016.01) H01M 8/1051(2016.01) H01M 8/1081(2016.01) H01M 8/1086(2016.01) H01M 8/1027(2016.01) H01M 8/1044(2016.01) H01M 8/1072(2016.01) H01M 8/18(2006.01) H01M 8/1018(2016.01) (52) Cooperative Patent Classification (CPC): H01M 2008/1095; H01M 8/1072; H01M 8/1093; H01M 8/1081; H01M 8/1051; H01M 8/1044; H01M 8/1027; H01M 8/1039; H01M 8/1025; H01M 8/188; Y02E 60/50; Y02P 70/50 (86) International application number: PCT/IB2020/057217 (87) International publication number: WO 2021/019497 (04.02.2021 Gazette 2021/05)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA ME Designated Validation States: KH MA MD TN (30) Priority: 01.08.2019 IT 201900013734 (71) Applicant: ENI S.p.A. 00144 Roma (IT)	(72) Inventors: GAMBARO, Chiara 28100 Novara (IT) MEDA, Laura 28100 Novara (IT) DI NOTO, Vito 35010 Cadoneghe (PD) (IT) VEZZU', Keti 35134 Padova (IT) SUN, Chuanyu 35129 Padova (IT) (74) Representative: Casci, Tamara et al Barzanò & Zanardo Milano S.p.A. Via Borgonuovo, 10 20121 Milano 20121 Milano (IT)